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Question

Question
Why does a comet make a bright trail in the night sky? (1 point)
Responses

A comet is made of ice, dust and gas that vaporize as the comet moves closer to the sun, leaving a trail.
A comet is made of ice, dust and gas that vaporize as the comet moves closer to the sun, leaving a trail.

A comet gives off light because of the mineral composition of the rocks from which the comet is formed.
A comet gives off light because of the mineral composition of the rocks from which the comet is formed.

A comet produces an optical illusion of a bright trail due to the layers of Earth’s atmosphere.
A comet produces an optical illusion of a bright trail due to the layers of Earth’s atmosphere.

A comet is made of rock, which burns and lights up as the comet moves faster in the atmosphere.
A comet is made of rock, which burns and lights up as the comet moves faster in the atmosphere.
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Answer 1

The correct response is:

A comet is made of ice, dust and gas that vaporize as the comet moves closer to the sun, leaving a trail.